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Piston ring/liner interface can contribute as much as half the total friction loss in internal combustion engines, with the resulting wear leading to reduced energy efficiency and raised emissions. A new ASTM International standard provides a method to more accurately measure small amounts of wear on curved piston ring segments and their counterfaces after lubricated bench-scale testing. “Coupled…
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ASTM Committee G02 on Wear and Erosion is including a field trip in the plans for its Dec. 8-9 meeting in Jacksonville, Fla. Committee members will be visiting the Tribology Laboratory in the mechanical engineering department at the University of Florida in Gainesville. The Tribology Laboratory is actively involved in a wide variety of tribological research and tribology education projects. The…
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A new ASTM standard will be useful to slide and engine companies, as well as makers of bushing materials, in studies that involve the measurement of system friction forces. The new standard, ASTM G203 , Guide for Determining Friction Energy Dissipation in Reciprocating Tribosystems, was developed by Subcommittee G02.50 on Friction, part of ASTM International Committee G02 on Wear and Erosion.…
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Subcommittee G02.10 on Erosion by Solids and Liquids, part of ASTM International Committee G02 on Wear and Erosion, is interested in hearing from anyone who uses cavitation erosion testing in their work. The objective of this survey is to help the subcommittee determine the current degree of interest in and importance of cavitation erosion test methods. The subcommittee is especially interested…
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ASTM International Committee F41 on Unmanned Undersea Vehicle Systems invites all interested parties to participate in a new task group, F41.90.01 on Unmanned Surface Vehicles. With the addition of this new task group, the name of Committee F41 will be changed to Unmanned Maritime Systems. Task Group F41.90.01 is seeking new members with expertise in unmanned surface vehicles to complement the…
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A task group of ASTM International Committee G02 on Wear and Erosion is seeking interested parties to participate in the revision of ASTM G 32, Test Method on Cavitation Erosion Using Vibratory Apparatus. The standard and the task group are under the jurisdiction of Subcommittee G02.10 on Erosion by Solids and Liquids. The task group is specifically seeking participants with any of the following…
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, New ASTM Committee to Develop Standards That Will Facilitate New System Designs and Industry Growth, ASTM International, one of the largest voluntary standards development organizations (SDOs) in the world, today announced the formation of ASTM Committee F41 on Unmanned Undersea Vehicle (UUV) Systems. This important standards initiative was driven by the cooperative efforts of the United States Navy and UUV industry stakeholders to facilitate new UUV system designs and enable next-generation…, Critical Role in Oceanographic Research, Commercial and Military Applications, UUVs have a notable history dating back to the early 1980s. Early systems built on their manned submersible predecessors and helped transform oceanographic research during the decade. Used by the academic community in notable deep-sea expeditions, such as the discovery and exploration of the wreck of the Titanic, UUVs have played a critical role in ocean surveying, environmental monitoring, and…, UUV Growth and Evolution: ASTM Standards Will Help Lead the Way, Todays UUV industry includes two classes of systems: remotely operated vehicles (ROVs), which are attached to a mother-ship by a long cable; and autonomous underwater vehicles (AUVs), which operate without a tether. To better meet the challenges of emerging applications, existing UUV systems must evolve with new technology. Specific areas of need include greater interoperability among…, Fast and Efficient Standards Development Through the ASTM Process, Led by the Association for Unmanned Vehicle Systems International (AUVSI), the premier trade association for the unmanned systems industry, UUV stakeholders selected ASTM International as the SDO best suited for the development of new international industry standards. With a proven consensus process and state-of-the-art standards development infrastructure, ASTM International was best positioned…, Public/Private Sector Collaboration under the ASTM Umbrella, ASTM Committee F41 is another example of the long-standing partnership between the public and private sectors in developing consensus standards under the ASTM International process. F41 brings together technical experts from the UUV industry, federal government, trade associations and academia to develop voluntary consensus standards pertaining to UUV design, safety and performance including…